CVE-2023-0077 : Vulnerability Insights and Analysis

This article covers the details of CVE-2023-0077, a vulnerability identified in Synology Router Manager (SRM) versions 1.2 and 1.3.

Understanding CVE-2023-0077

CVE-2023-0077 is an integer overflow or wraparound vulnerability found in the CGI component of Synology Router Manager (SRM) versions 1.2 and 1.3. This vulnerability could be exploited by remote attackers to overflow buffers using unspecified vectors.

What is CVE-2023-0077?

The CVE-2023-0077 vulnerability in Synology Router Manager (SRM) allows malicious actors to remotely overflow buffers within the CGI component, potentially leading to a compromise of the system's security.

The Impact of CVE-2023-0077

The impact of CVE-2023-0077 is rated as "MEDIUM." If successfully exploited, remote attackers could potentially compromise the integrity of the affected systems. The vulnerability could facilitate unauthorized access and lead to the manipulation of data stored on the device.

Technical Details of CVE-2023-0077

This section provides more technical insights into the CVE-2023-0077 vulnerability, including its description, affected systems, and how it can be exploited.

Vulnerability Description

The vulnerability arises due to an integer overflow or wraparound issue in the CGI component of Synology Router Manager (SRM) versions 1.2 and 1.3. Attackers can exploit this flaw via unspecified vectors to overflow buffers, which may result in unauthorized access or data manipulation.

Affected Systems and Versions

Synology Router Manager (SRM) versions 1.2 and 1.3 are affected by CVE-2023-0077. Specifically, versions earlier than 1.2.5-8227-6 and 1.3.1-9346-3 are vulnerable to this integer overflow or wraparound vulnerability.

Exploitation Mechanism

Remote attackers can target this vulnerability through unspecified vectors, triggering buffer overflows in the CGI component of Synology Router Manager (SRM) versions 1.2 and 1.3. Successful exploitation could lead to unauthorized access and potential security breaches.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-0077, users and administrators can take immediate steps and implement long-term security practices.

Immediate Steps to Take

Update Synology Router Manager (SRM) to versions 1.2.5-8227-6 or 1.3.1-9346-3 to patch the vulnerability.
Monitor network traffic for any suspicious activity that may indicate an exploit attempt.
Restrict access to critical system components to authorized personnel only.

Long-Term Security Practices

Regularly install security updates to ensure that your system is equipped with the latest protection.
Conduct periodic security audits to detect vulnerabilities and address them proactively.
Educate users on best practices for safe internet usage to prevent exposure to potential threats.

Patching and Updates

Synology has released patches for CVE-2023-0077 in versions 1.2.5-8227-6 and 1.3.1-9346-3 of Synology Router Manager (SRM). Users are advised to promptly update their systems to the fixed versions to eliminate the vulnerability and enhance the security of their devices.